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RCC Manhole System

RCC Manhole System

RCC Manhole Systems available in cylindrical, conical and cuboid shapes have successfully replaced the old traditional manholes made from bricks which were time consuming and structurally weak for providing access to telecommunication infrastructure and sewerage system.

Especially, the cuboid manhole chambers have been overwhelmingly accepted by the telecom industry and is the predominant system used to provide outlets/access to underground telecom cables.

At BRHC, Manhole system are manufactured in conventional standard sizes as well as special-engineered designs provided by the clients. These are produced using the latest vibro-compaction technique to ensure durability, high tensile strength and robustness.

Type 1: Cylindrical Manhole System

SPECIFICATIONS:

The typical cylindrical manhole assembly system consists of conical piece on top with cover and circular riser rings made from precast reinforced concrete that can be stacked one on top of the other to construct the desired height of the manholes conical shaped manhole. At the end, circular bottom ring is attached consisting of desired number of holes of suitable diameter for line diversion and connectivity.

Standard Size:

S.No.

Depth

Bottom-ID

Top-ID

Size-1

Upto 1800 MM

1000 MM

560 MM

Size-2

Upto 3000 MM

1200 MM

560 MM

Size-3

Upto 6000 MM

1500 MM

560 MM

Reinforcement: Cross-Section of 8 MM Dia-MS bars.

Concrete Grade: M 40.

Type 2: Conical Manhole System

SPECIFICATIONS:

The conical manhole assembly system consists of conical rings made from precast reinforced concrete that can be stacked one on top of the other to construct a conical shaped manhole. In addition, a precast concrete frame and cover are also provided at the top.

Standard Size:

S.No.

Depth

Bottom-ID

Top-ID

Size-1

500 MM

800 MM

670 MM

Size-2

1000 MM

1125 MM

670 MM

Size-3

1225 MM

1240 MM

670 MM

Reinforcement: Cross-Section of 8 MM Dia-MS bars

Concrete Grade: M 30

Type 3: Cuboid Manhole System

SPECIFICATIONS:

The cuboid manhole chamber consists of rectangular collar on top with heavy duty cover-slabs stacked on a single-solid cuboid chamber made from precast reinforced concrete. Suitable holes and hooks are provided to support movement and connectivity. In general, these concrete manhole chambers are used in telecom infrastructure to cater cable outlet points.